M-Lok 300AAC Railed Rifle Kit

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PSA 16" Pistol-Length 300AAC Blackout 1/8 Nitride 2A Armament 13.5" Lightweight M-Lok Freedom Rifle Kit - 5165450075


Quick Overview

free shipping Free Shipping applies to this item only and not the entire order.

WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

SKU: 5165450075
UPC: 5165450075
MFR#: 5165450075

Gas System: Pistol Length
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 300 AAC Blackout
Twist Rate: 1 in 8"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand guard Type: 2A Armament 13.5" Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle included: Yes
Overall Length: 24.5"
Weight as configured: 3.7 lbs

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Barrel: This Chrome Moly vanadium 4150V barrel is chambered in .300 AAC Blackout with a 1:8" twist, M4 barrel extension, and a pistol-length gas system. It is nitride treated for accuracy and durability, and is finished off with a .750" diameter gas block, 2A Armament 13.5" Lightweight M-Lok free float rail, and an A2 Flash Hider.

Upper: The forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Build KitIncludes Classic M4-Style Stock, A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower!

SKU: 5165450075
SKU 5165450075
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165450075

Questions and Answers

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Browse 5 questions Browse 5 questions and 7 answers
Is this a pistol or a rifle with a pistol length gas system? If the barrel is 16" and it has an adjustable buttstock I would think it's a rifle. But, if the barrel is too short and it has a buttstock, it might be a short barreled rifle, which requires a big "mother may I" from the feds. I want to buy this kit, just want to know what I'm getting into. Thanks!
James M on Dec 14, 2018
BEST ANSWER: its a 16 inch barrel so its a rifle with a pistol length gas system
Why does it have a pistol length buffer? Will this cause recoil problems?
Dan W on Jun 16, 2019
Is the bolt carrier group rated for full auto?
Brett P on Feb 15, 2019
BEST ANSWER: The BCG is full auto. Not the rifle. Full auto just talks about the profile of the BCG. It has nothing to do with being able to make the rifle full Auto.
Just wondering if any one is using there 300 blackout for white tail dear hunting and how well it has performed for that?
Tim L on Feb 12, 2019
BEST ANSWER: Works great with 110-120 grain super sonic ammo on a doe. I wouldn't probably attempt to pop a trophy buck with it but it would still work just fine if your shot placement was correct
so does one come with the kit or not?
BEricksonSr on Dec 31, 2018
BEST ANSWER: Yes. Everything comes with this except the lower.


4.9 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Better quality then I expected for the low price. I paired the 300 blackout upper with a spikes lower and the fit is near flawless. I also purchased a 556 upper from PSA to pair with a DPMS lower and also near flawless.
User submitted image
User submitted image
April 13, 2019
5 months ago
I added a Geiselle charging handle and the nickel boron bolt to the package along with a Lucid ld7. It shoots great and looks awesome.
.300 Blackout Pistol Build
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Added Mar 6, 2019
March 6, 2019
6 months ago
Not much to say, except every kit I’ve bought has been spot on
March 4, 2019
6 months ago
Can’t beat the price or performance.
The only problem I had with this product was that it did not come with the flip sights as stated. I emailed PSA and they sent out the sights with no questions asked. After I built the 300 blkout and fired it. I noticed that the M-lol barrel guard wasn’t staked to the upper like all the .223 uppers are. In short I had to tighten the star screws after I slid the guard back in place. All in all I love this kit!
March 3, 2019
6 months ago
It was a wonderful upper met all my expectations really enjoyed it can’t wait to build another one
It was a wonderful upper met all my expectations really enjoyed it can’t wait to build another one
February 26, 2019
6 months ago
Packaged well, arrived quickly, fit and finish excellent.
Fit and finish is excellent, light weight for heavy barrel compared to others I've owned and built. Sub moa @ 100 yds over bench w/ 2-7×33 Accu-range Redfield scope, definately reccomend.
February 12, 2019
7 months ago
Like it very much very smooth shot no Mal function so far recommend to anyone pretty affordable thanks
Nice like it very much
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February 3, 2019
6 months ago
300 blk great kit
highly recommended must have
User submitted image
Added Jan 4, 2019
January 4, 2019
300 BLK great price GREAT GUN
second kit from PSA first 300blk but not my last!!! using my favorite custom "DONT TREAD ON ME " lowers this thing is great, added a red dot & 3x magnifier , mini grip light with pressure pad , quick release sling mount
January 3, 2019

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